🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.73 AU - 0.83 AU

Year: 260 Days

Day: 12.6 Hours

Environment

Temp: 170 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.9 AU - 1.26 AU

Year: 423 Days

Day: 37.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.01 AU - 1.29 AU

Year: 465 Days

Day: 38.7 Hours

Environment

Temp: -15 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.73 AU - 3.09 AU

Year: 1870 Days

Day: 23.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.21 AU - 5.33 AU

Year: 3324 Days

Day: 46.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 14.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.35 AU - 6.91 AU

Year: 5718 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,859,377 km

• M1: 218,712 km (0.062 R)
• M2: 703,559 km (0.065 R)
• M3: 2,514,142 km (0.072 R)
• M4: 3,420,107 km (0.079 R)
• M5: 6,450,062 km (0.106 R)
• M6: 7,376,821 km (0.114 R)
• M7: 8,532,763 km (0.105 R)
• M8: 15,377,913 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 11

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.79 AU - 7.87 AU

Year: 6000 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,859,377 km

• M1: 157,527 km (0.112 R)
• M2: 797,057 km (0.091 R)
• M3: 1,192,295 km (0.104 R)
• M4: 1,817,614 km (0.076 R)
• M5: 2,182,035 km (0.094 R)
• M6: 2,707,123 km (0.117 R)
• M7: 3,606,057 km (0.109 R)
• M8: 4,748,835 km (0.071 R)
• M9: 5,328,377 km (0.078 R)
• M10: 6,455,747 km (0.074 R)
• M11: 9,985,359 km (0.104 R)
• M12: 12,265,230 km (0.037 R)
• M13: 14,632,018 km (0.078 R)
• M14: 14,993,297 km (0.085 R)
• M15: 15,422,493 km (0.056 R)
• M16: 16,498,850 km (0.109 R)
• M17: 18,310,331 km (0.111 R)
• M18: 18,871,622 km (0.082 R)
• M19: 20,851,101 km (0.118 R)
• M20: 23,046,450 km (0.078 R)
• M21: 24,961,452 km (0.104 R)
• M22: 27,983,628 km (0.09 R)
• M23: 29,106,061 km (0.119 R)
• M24: 33,479,405 km (0.069 R)
• M25: 34,107,866 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 9.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.2 AU - 7.14 AU

Year: 6490 Days

Day: 8.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,859,377 km

• M1: 116,986 km (0.083 R)
• M2: 489,035 km (0.117 R)
• M3: 810,671 km (0.084 R)
• M4: 1,206,806 km (0.045 R)
• M5: 1,586,785 km (0.117 R)
• M6: 2,429,170 km (0.039 R)
• M7: 2,731,807 km (0.076 R)
• M8: 3,233,408 km (0.112 R)
• M9: 4,828,570 km (0.062 R)
• M10: 5,211,691 km (0.099 R)
• M11: 6,803,412 km (0.044 R)
• M12: 8,285,628 km (0.115 R)
• M13: 9,934,047 km (0.057 R)
• M14: 11,833,192 km (0.082 R)
• M15: 12,665,554 km (0.099 R)
• M16: 13,257,214 km (0.052 R)
• M17: 13,914,996 km (0.094 R)
• M18: 14,992,250 km (0.074 R)
• M19: 19,261,175 km (0.073 R)
• M20: 20,227,278 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.9

Radius: 4.6

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 12.19 AU - 13.37 AU

Year: 17212 Days

Day: 22.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,859,377 km

• M1: 196,871 km (0.086 R)
• M2: 490,083 km (0.109 R)
• M3: 723,455 km (0.072 R)
• M4: 945,010 km (0.074 R)
• M5: 1,210,845 km (0.092 R)
• M6: 1,891,964 km (0.078 R)
• M7: 2,259,077 km (0.087 R)
• M8: 2,529,251 km (0.119 R)
• M9: 3,991,720 km (0.068 R)
• M10: 6,157,448 km (0.107 R)
• M11: 9,142,674 km (0.06 R)
• M12: 10,757,433 km (0.091 R)
• M13: 12,671,388 km (0.117 R)
• M14: 13,213,531 km (0.049 R)
• M15: 14,800,914 km (0.103 R)
• M16: 17,303,537 km (0.094 R)
• M17: 21,143,714 km (0.103 R)
• M18: 23,484,622 km (0.053 R)
• M19: 31,315,173 km (0.063 R)
• M20: 33,088,207 km (0.081 R)
• M21: 33,428,093 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,148 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit